How to Fix Microsoft Teams cannot add guest

Authored by: Support.com Tech Pro Team

1. Introduction

The platform allows users to add guests to channels and teams. Guest are persons outside your organization, in this guide, you'll learn How to Fix Microsoft Teams cannot add guest.

2. How to Fix

1. Checklist to add a guest to Microsoft Teams

1. Before trying any troubleshooting steps, make sure you have followed all the steps in the checklist below.
   
   
2. Make sure the guest access option at the Team org-wide level is turned on.
   
   
3. Make sure you have Configured Azure AD business-to-business settings.
   
   
4. Then go to Office 365 groups and configure it for guest access.
   
   
5. Also, configure Office 365 sharing.
   
   
6. Make sure you have verified sharing settings in SharePoint.
   
   
7. Make sure you enter the full email address of the guest user while granting access.

2. Grant access using PowerShell command

1. If the issue exists, you can add guest users to Microsoft Teams using PowerShell command. Here is how to do it.
   
   
2. Open PowerShell as admin.
   
   
3. Login/Connect to Office 365 using PowerShell.
   
   
4. Once you are connected to Office 365 admin, enter the following command:
   
   Set-MsolCompanySettings -UsersPermissionToReadOtherUsersEnabled $True
   
   
5. Now try to add the guest user and check if the issue is resolved.

3. Check for latency issues

1. At times, Microsoft Teams may face temporary latency for the guest changes.
   
   
2. Wait for a few minutes and then try to add the guest user again.

4. Update Microsoft Teams

1. If the issue persists, try updating the Microsoft Teams client.
   
   
2. Launch the Microsoft Teams app and click the profile picture.
   
   
3. Click on Check for updates.

Microsoft Teams will download and install any pending updates. The desktop client automatically checks for updates each time your login. However, you can manually check for any pending updates as well.